boofcv.factory.filter.binary

Class FactoryThresholdBinary

java.lang.Object

boofcv.factory.filter.binary.FactoryThresholdBinary

public class FactoryThresholdBinary
extends java.lang.Object

Factory for creating various filters which convert an input image into a binary one

Constructor Summary

Constructors

Constructor and Description
FactoryThresholdBinary()

Method Summary

Methods

Modifier and Type	Method and Description
static <T extends ImageSingleBand> InputToBinary<T>	adaptiveGaussian(int radius, double bias, boolean down, java.lang.Class<T> inputType)
static <T extends ImageSingleBand> InputToBinary<T>	adaptiveSauvola(int radius, float k, boolean down, java.lang.Class<T> inputType)
static <T extends ImageSingleBand> InputToBinary<T>	adaptiveSquare(int radius, double bias, boolean down, java.lang.Class<T> inputType)
static <T extends ImageSingleBand> InputToBinary<T>	globalEntropy(int minValue, int maxValue, boolean down, java.lang.Class<T> inputType)
static <T extends ImageSingleBand> InputToBinary<T>	globalFixed(double threshold, boolean down, java.lang.Class<T> inputType)
static <T extends ImageSingleBand> InputToBinary<T>	globalOtsu(int minValue, int maxValue, boolean down, java.lang.Class<T> inputType)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FactoryThresholdBinary

public FactoryThresholdBinary()

Method Detail

adaptiveGaussian

public static <T extends ImageSingleBand> InputToBinary<T> adaptiveGaussian(int radius,
                                                            double bias,
                                                            boolean down,
                                                            java.lang.Class<T> inputType)

Parameters:

radius - Radius of square region.

bias - Bias used to adjust threshold

down - Should it threshold up or down.

inputType - Type of input image

Returns:

Filter to binary

See Also:

GThresholdImageOps.adaptiveGaussian(boofcv.struct.image.ImageSingleBand, boofcv.struct.image.ImageUInt8, int, double, boolean, boofcv.struct.image.ImageSingleBand, boofcv.struct.image.ImageSingleBand)

adaptiveSauvola

public static <T extends ImageSingleBand> InputToBinary<T> adaptiveSauvola(int radius,
                                                           float k,
                                                           boolean down,
                                                           java.lang.Class<T> inputType)

Parameters:

radius - Radius of local region. Try 15

k - Positive parameter used to tune threshold. Try 0.3

down - Should it threshold up or down.

inputType - Type of input image

Returns:

Filter to binary

See Also:

GThresholdImageOps.adaptiveSauvola(boofcv.struct.image.ImageSingleBand, boofcv.struct.image.ImageUInt8, int, float, boolean)

adaptiveSquare

public static <T extends ImageSingleBand> InputToBinary<T> adaptiveSquare(int radius,
                                                          double bias,
                                                          boolean down,
                                                          java.lang.Class<T> inputType)

Parameters:

radius - Radius of square region.

bias - Bias used to adjust threshold

down - Should it threshold up or down.

inputType - Type of input image

Returns:

Filter to binary

See Also:

GThresholdImageOps.adaptiveSquare(boofcv.struct.image.ImageSingleBand, boofcv.struct.image.ImageUInt8, int, double, boolean, boofcv.struct.image.ImageSingleBand, boofcv.struct.image.ImageSingleBand)

globalEntropy

public static <T extends ImageSingleBand> InputToBinary<T> globalEntropy(int minValue,
                                                         int maxValue,
                                                         boolean down,
                                                         java.lang.Class<T> inputType)

Parameters:

minValue - The minimum value of a pixel in the image. (inclusive)

maxValue - The maximum value of a pixel in the image. (exclusive)

down - Should it threshold up or down.

inputType - Type of input image

Returns:

Filter to binary

See Also:

GThresholdImageOps.computeEntropy(boofcv.struct.image.ImageSingleBand, int, int)

globalFixed

public static <T extends ImageSingleBand> InputToBinary<T> globalFixed(double threshold,
                                                       boolean down,
                                                       java.lang.Class<T> inputType)

Parameters:

threshold - threshold value.

down - If true then the inequality <= is used, otherwise if false then >= is used.

inputType - Type of input image

Returns:

Filter to binary

See Also:

GThresholdImageOps.threshold(T, boofcv.struct.image.ImageUInt8, double, boolean)

globalOtsu

public static <T extends ImageSingleBand> InputToBinary<T> globalOtsu(int minValue,
                                                      int maxValue,
                                                      boolean down,
                                                      java.lang.Class<T> inputType)

Parameters:

minValue - The minimum value of a pixel in the image. (inclusive)

maxValue - The maximum value of a pixel in the image. (exclusive)

down - Should it threshold up or down.

inputType - Type of input image

Returns:

Filter to binary

See Also:

GThresholdImageOps.computeOtsu(boofcv.struct.image.ImageSingleBand, int, int)